added custom debug handler

app/node/processor/renderer/rendererthreadbase.cpp

@@ -54,13 +54,9 @@ void RendererThreadBase::run()
 
   instance.SetShareContext(share_ctx_);
 
-  qDebug() << this << "is starting its OpenGL context";
-
   // Allocate and create resources
   if (instance.Start()) {
 
-    qDebug() << this << "OpenGL context creation succeeded";
-
     // Main loop (use Cancel() to exit it)
     ProcessLoop();